<button type="button" name="addLine" class="btn btn-xs btn-success" onclick="test();">儲存</button>
<button type="button" name="addLine" id="addline1" class="btn btn-xs btn-success" onclick="test2();">addline1</button>
<button type="button" class="btn btn-xs btn-success" onclick="saveAll();">新增測試</button>
 

	function test(){
		alert(1);
// 		var btns = document.getElementById("addline1");
// 		alert(btns);
// 		btns.PerformClick;
	}
	function test2(){
		alert('2');
		alert(2);
	}

        function saveAll(){			
	        var btns = document.getElementsByName("addLine");
                for (var i=0;i<btns.length;i++){
                    btns[i].click();
                    //btns.PerformClick; 這個也行
                }
        }